{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "PHOTO OPPORTUNITY : We have developed a dual photoaffinity labeling system in which an active and an inactive probe bearing orthogonal detection groups are co - reacted in a single photoreaction ."}
{"Chemical": []}